Charlotte, unlike her older brother Prince George, six, is far from camera shy and has absolutely no trouble making the way she feels - especially about photographers - crystal clear.
At today’s regatta charity event in Cowes on the Isle of Wight, the young royal poked her tongue out to a crowd of photographers there to capture the event.
Even Kate, 37, struggled to control her daughter, who royal fans say looks remarkably like the Queen when she was a youngster.
Charlotte was dressed in a pretty blue dress with a Peter Pan collar while her mother, the Duchess of Cambridge, opted for nautical navy trousers and a peplum top.
Mother-of-three Kate, whose other son Louis, 15 months, was not present for the event, then changed into a pair of shorts and a white polo t-shirt teamed with a blue cap and trainers to set sail with her team against her husband, William.
The couple took part in the event to raise money for charities they are associated with. Read more from EXPRESS.